Isotopically Labeled Compounds
Cayman Chemical Fluconazole-d4 5mg
An internal standard for the quantification of fluconazole by GC- or LC-MS
Medchemexpress LLC L-lysine-3,3,4,4,5,5,6,6-d8 hydrochloride | 344298-93-7 | 99.9% | 190.70 | C6H7D8ClN2O2 | 10 MG
L-Lysine-d8 hydrochloride is the deuterium-labeled L-enantiomer of lysine supplied as the hydrochloride salt. It is used as a stable isotope internal standard and tracer for quantitative mass spectrometry and biochemical assays.
- Deuterium-labeled (d8) for mass spectrometry standards and tracing
- Supplied as a hydrochloride solid, suitable for laboratory use
- Molecular weight 190.70, CAS 344298-93-7
- High chemical purity for analytical applications
- Available in small quantities (10 MG) for standards preparation
Medchemexpress LLC 1-dodecanol-d25 | 160776-83-0 | MFCD00144869 | >98.0% | 211.49 g/mol | C12D25OH | 100mg
1-Dodecanol-d25 is the deuterium labeled 1-Dodecanol 1-Dodecanol is an endogenous metabolite
Medchemexpress LLC Clascoterone-d5 | 95.0% | 407.55 g·mol⁻¹ | C24H29D5O5 | 1mg
Clascoterone-d5 (Cortexolone 17 alpha-propionate-d5) is the deuterated analog of Clascoterone Clascoterone is a topical and peripheral androgen antagonist[1][2][3]
Medchemexpress LLC 5α-Androstenone-d4 | 18339-16-7 | 99.98% | 276.45 | 2.5 MG
5α-Androstenone-d4 is a deuterium-labeled form of 5α-Androstenone, used primarily in laboratory research. It serves as a tracer or internal standard for quantitative analysis methods like NMR, GC-MS, and LC-MS. Deuteration has gained attention for its potential to modify the pharmacokinetic and metabolic profiles of drug molecules.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Intended for research use only
- Not for sale to patients
- Potential to affect pharmacokinetic and metabolic profiles
Cambridge Isotope Laboratories D-FRUCTOSE (U-13C6, 99%), 0.25 G, 201595-65-5
D-FRUCTOSE (U-13C6, 99%), 0.25 G, 201595-65-5
Medchemexpress LLC Lanosterol-d6 | 28290-39-3 | MFCD22416700 | >99.0% | 432.75 | C30H44D6O | 1 MG
Lanosterol-d6 is a deuterium-labeled analogue of lanosterol provided as a high-purity research reagent for use as an isotopic internal standard and tracer in analytical and biochemical studies. It is optimized for mass spectrometry quantitation, metabolic tracing, and pathway analysis.
- High isotopic enrichment for accurate mass spectrometry quantitation
- High purity (>99%) to minimize interfering signals
- Suitable for use as an internal standard in LC-MS/MS assays
- Useful for metabolic tracing and pathway studies
- Stable solid form for easy storage and handling
- Compatible with common organic solvents for sample preparation
Medchemexpress LLC L-Lysine-13C6,15N2 hydrochloride | 1200447-00-2 | 190.59 | 50 MG
L-Lysine-13C6,15N2 (hydrochloride) is a stable isotope-labeled version of L-lysine hydrochloride, an essential amino acid. It is intended for research use only and not for patient consumption. The unlabeled L-lysine hydrochloride has various benefits, including aiding in the treatment of herpes, improving calcium absorption, reducing illnesses related to diabetes, and enhancing gut health.
- Can be used as a tracer.
- Can serve as an internal standard for quantitative analysis through techniques like NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of carbon-13 and nitrogen-15.
- Potential to affect pharmacokinetic and metabolic profiles in drug development.
Sigma Aldrich Fine Chemicals Biosciences L-Alanine-2-13C,15N 98 atom % 15N, 99 atom % 13C | 285977-86-8 | MFCD00190265 | 250MG
L-Alanine-2-13C,15N 98 atom % 15N, 99 atom % 13C | Mol Wt: 91.08 | 285977-86-8 | MFCD00190265 | 250MG
Cayman Chemical RufInamIde-15N-d2 1mg
An internal standard for the quantification of rufinamide by GC- or LC-MS